Where: Uvalde County, Texas (29.4° N, 99.5° W: paleocoordinates 35.0° N, 72.8° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Anacacho Limestone Formation, Early/Lower Campanian (83.5 - 70.6 Ma)
• Outcrop on Sabinal river exposes lower part of Anacacho Limestone, of late Early Campanian age: Baculites hippocrepis III zone to Baculites sp. (smooth) zone.
• bed-level stratigraphic resolution
Environment/lithology: lithified limestone
Size class: macrofossils
Collected by L.W. Stephenson; reposited in the USNM
Primary reference: C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44 [W. Kiessling/U. Merkel/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 78202: authorized by Wolfgang Kiessling, entered by Uta Merkel on 31.01.2008, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
Hemiaster texanus Roemer 1849 heart urchin | |
Cidaris texanus Clark 1891 pencil urchin |